78240240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{643}}^1$

素因数の和:688

約数の個数: 180

約数和(自身を含む): 284966136

約数和(自身を除く): 206725896

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 169, 180, 195, 208, 234, 240, 260, 312, 338, 360, 390, 468, 507, 520, 585, 624, 643, 676, 720, 780, 845, 936, 1014, 1040, 1170, 1286, 1352, 1521, 1560, 1690, 1872, 1929, 2028, 2340, 2535, 2572, 2704, 3042, 3120, 3215, 3380, 3858, 4056, 4680, 5070, 5144, 5787, 6084, 6430, 6760, 7605, 7716, 8112, 8359, 9360, 9645, 10140, 10288, 11574, 12168, 12860, 13520, 15210, 15432, 16718, 19290, 20280, 23148, 24336, 25077, 25720, 28935, 30420, 30864, 33436, 38580, 40560, 41795, 46296, 50154, 51440, 57870, 60840, 66872, 75231, 77160, 83590, 92592, 100308, 108667, 115740, 121680, 125385, 133744, 150462, 154320, 167180, 200616, 217334, 231480, 250770, 300924, 326001, 334360, 376155, 401232, 434668, 462960, 501540, 543335, 601848, 652002, 668720, 752310, 869336, 978003, 1003080, 1086670, 1203696, 1304004, 1504620, 1630005, 1738672, 1956006, 2006160, 2173340, 2608008, 3009240, 3260010, 3912012, 4346680, 4890015, 5216016, 6018480, 6520020, 7824024, 8693360, 9780030, 13040040, 15648048, 19560060, 26080080, 39120120, 78240240]

約数ペア:

[(1, 78240240), (2, 39120120), (3, 26080080), (4, 19560060), (5, 15648048), (6, 13040040), (8, 9780030), (9, 8693360), (10, 7824024), (12, 6520020), (13, 6018480), (15, 5216016), (16, 4890015), (18, 4346680), (20, 3912012), (24, 3260010), (26, 3009240), (30, 2608008), (36, 2173340), (39, 2006160), (40, 1956006), (45, 1738672), (48, 1630005), (52, 1504620), (60, 1304004), (65, 1203696), (72, 1086670), (78, 1003080), (80, 978003), (90, 869336), (104, 752310), (117, 668720), (120, 652002), (130, 601848), (144, 543335), (156, 501540), (169, 462960), (180, 434668), (195, 401232), (208, 376155), (234, 334360), (240, 326001), (260, 300924), (312, 250770), (338, 231480), (360, 217334), (390, 200616), (468, 167180), (507, 154320), (520, 150462), (585, 133744), (624, 125385), (643, 121680), (676, 115740), (720, 108667), (780, 100308), (845, 92592), (936, 83590), (1014, 77160), (1040, 75231), (1170, 66872), (1286, 60840), (1352, 57870), (1521, 51440), (1560, 50154), (1690, 46296), (1872, 41795), (1929, 40560), (2028, 38580), (2340, 33436), (2535, 30864), (2572, 30420), (2704, 28935), (3042, 25720), (3120, 25077), (3215, 24336), (3380, 23148), (3858, 20280), (4056, 19290), (4680, 16718), (5070, 15432), (5144, 15210), (5787, 13520), (6084, 12860), (6430, 12168), (6760, 11574), (7605, 10288), (7716, 10140), (8112, 9645), (8359, 9360)]